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Method and system for removal of clicks and noise in a redirected audio stream

  • US 8,656,415 B2
  • Filed: 06/30/2008
  • Issued: 02/18/2014
  • Est. Priority Date: 10/02/2007
  • Status: Active Grant
First Claim
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1. A method for use in a computer for redirecting an audio stream from a first audio endpoint to a second audio endpoint in said computer having a controller and a computer operating system for execution by said controller, said method comprising:

  • directing said audio stream from a client application running on said computer operating system through a first audio resource stack of said computer to said first audio endpoint;

    creating an audio endpoint bridge using an audio processing object driver within said first audio resource stack, wherein said audio endpoint bridge provides a path for said audio stream to be redirected from said audio processing object driver within said first audio resource stack to pass through a second audio resource stack to said second audio endpoint;

    enhancing said audio stream to reduce noise, wherein said enhancing includes detecting energy from a spike in the audio stream, delaying the audio stream, and applying a spike removing procedure whenever energy from a spike is detected to generate an enhanced audio stream;

    redirecting said enhanced audio stream to said second audio endpoint using said audio endpoint bridge.

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